Minimum Room Size for Mini Split (humidity control)
Last Post 19 Jun 2015 04:00 AM by Markbouge. 4 Replies.
Printer Friendly
Sort:
PrevPrev NextNext
You are not authorized to post a reply.
Author Messages
crawfishkingUser is Offline
New Member
New Member
Send Private Message
Posts:3

--
21 May 2015 12:50 PM
I have built a small apartment in the SE corner of a metal building that I need to provide air conditioning for. I want to know if this space is big enough for a mini split as I do not want a window unit. I tried to calculate my btu load after reading some threads on here but my situation doesn't really match any of the calculators I have found online. The inside dimensions of this apartment are 15' 10" x 10' 8" (about 170 sq ft). The ceiling height of the apartment is 8'. I have insulation in the walls and ceiling although I don't know what kind. The 2 outside walls face some significant sunlight during the first half of the day but the ceiling/roof and other 2 walls are under a pretty large, non-air conditioned metal building. There are no windows and the 2 doors open to the inside of the metal building. The apartment sits on a concrete slab that extends 15' out from the building which I've always thought might serve as a solar panel to carry heat inside the building. There is no kitchen or any other heat producing appliances in this room other than a shower. The shower does raise the temperature and humidity levels in the room quite a bit when in use. There is just a bunk bed that will at most sleep 2 people. My concern is that if I install a 9k btu mini split, will it cycle long enough to control the humidity? This place is on the Texas coast where it stays extremely humid. I'm currently running a portable AC unit in there (I now know how bad of an idea that is) and I'm growing mold on the inside surfaces. Is there enough information here for somebody to tell me if I will be able to control the humidity with a mini split? Heating is not an issue btw. I posted here because a google search brought me to a similar titled thread, I hope this was an appropriate post and I really appreciate any help possible. Thank you, Stephen.
crawfishkingUser is Offline
New Member
New Member
Send Private Message
Posts:3

--
21 May 2015 01:47 PM
Here is the floor plan of the apartment for a visual aid.
crawfishkingUser is Offline
New Member
New Member
Send Private Message
Posts:3

--
21 May 2015 01:49 PM
Or here it is, hopefully.
Dana1User is Offline
Senior Member
Senior Member
Send Private Message
Posts:6991

--
22 May 2015 04:31 PM
Many/most mini-splits have a "dehumidify" mode, where it runs the blower at minimum speed and keeps the coil very cold to maximize condensation. But they don't stop until you take it out of "dehumidify" mode, and it ignores the air temperature while in this mode, which leads to over or under cooling depending on the actual cooling load.

The Daikin Quaternity series mini-splits have a humidity sensor, which allows you to set the humidity and temperature levels independently. The XG09HVJU is a pretty pricy unit for a 3/4 tonner but it should do the trick (and it's a heat pump- it can heat the place in winter as well.)

Air leakage rates are a primary determinant of how much dehumidifcation is needed. If you can tighten up the space, great, if not a room dehumidifier along with a standard cooling-only mini-split would be a cheaper solution.

MarkbougeUser is Offline
New Member
New Member
Send Private Message
Posts:1

--
19 Jun 2015 04:00 AM
The mini split A/C is mostly in demand and it consumes less space in the room and also it have some additional features. The price of this is also affordable. Get some AC repair nyc services from airdexinc.
You are not authorized to post a reply.

Active Forums 4.1
Membership Membership: Latest New User Latest: noooze New Today New Today: 1 New Yesterday New Yesterday: 0 User Count Overall: 34706
People Online People Online: Visitors Visitors: 134 Members Members: 1 Total Total: 135
Copyright 2011 by BuildCentral, Inc.   Terms Of Use  Privacy Statement